MySQLQuerierException

invalid query. (ERRNO 1062) Duplicate entry '20-1-2019' for key 2
query: INSERT INTO phpboost_stats (stats_year, stats_month, stats_day, nbr, pages, pages_detail) VALUES ('2019', '01', 20, 0, 0, '');
STACKTRACE
METHODFILELINE
+MySQLQuerier->execute(string, array)/mnt/153/sda/3/9/f6ktm/news/kernel/lib/framework/io/db/driver/mysql/MySQLQuerier.class.php55
+MySQLQuerier->inject(string, array)/mnt/153/sda/3/9/f6ktm/news/kernel/lib/framework/io/db/DBQuerier.class.php107
+DBQuerier->insert(string, array)/mnt/153/sda/3/9/f6ktm/stats/phpboost/StatsScheduledJobs.class.php39
+StatsScheduledJobs->on_changeday(Date, Date)/mnt/153/sda/3/9/f6ktm/kernel/framework/core/environment/Environment.class.php374
Environment::execute_modules_changedays_tasks()/mnt/153/sda/3/9/f6ktm/kernel/framework/core/environment/Environment.class.php340
Environment::perform_changeday()/mnt/153/sda/3/9/f6ktm/kernel/framework/core/environment/Environment.class.php330
Environment::process_changeday_tasks_if_needed()/mnt/153/sda/3/9/f6ktm/kernel/framework/core/environment/Environment.class.php98
Environment::try_init()/mnt/153/sda/3/9/f6ktm/kernel/framework/core/environment/Environment.class.php65
Environment::init()/mnt/153/sda/3/9/f6ktm/kernel/init.php37
+require_once(string)/mnt/153/sda/3/9/f6ktm/index.php30
output buffer
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HTTP Request
SERVER
FCGI_ROLERESPONDER
DOCUMENT_ROOT/mnt/153/sda/3/9/f6ktm
HTTP_ACCEPTtext/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
HTTP_ACCEPT_ENCODINGgzip
HTTP_CONNECTIONKeep-Alive
HTTP_HOSTf6ktm.free.fr
HTTP_IF_MODIFIED_SINCEWed, 14 Nov 2018 18:32:09 GMT
HTTP_USER_AGENTCCBot/2.0 (https://commoncrawl.org/faq/)
PATH/sbin:/usr/sbin:/bin:/usr/bin
REDIRECT_STATUS200
REDIRECT_URL/
REMOTE_ADDR54.172.221.7
REMOTE_PORT51702
SCRIPT_FILENAME/mnt/153/sda/3/9/f6ktm/index.php
SERVER_ADDR212.27.63.153
SERVER_NAMEf6ktm.free.fr
SERVER_PORT80
SERVER_SIGNATURE<ADDRESS>Apache/ProXad [Jul 22 2015 14:50:03] Server at f6ktm.free.fr Port 80</ADDRESS>
SERVER_SOFTWAREApache/ProXad [Jul 22 2015 14:50:14]
GATEWAY_INTERFACECGI/1.1
SERVER_PROTOCOLHTTP/1.1
REQUEST_METHODGET
QUERY_STRING
REQUEST_URI/
SCRIPT_NAME/index.php
ORIG_SCRIPT_NAME/index.php
ORIG_SCRIPT_FILENAME/mnt/153/sda/3/9/f6ktm/index.php
OLDPWD/new_root/etc
HOME/
TERMlinux
PHP_FCGI_MAX_REQUESTS10
SHELL/bin/sh
PWD/
PHP_FCGI_CHILDREN250
MYIMAGEsystem64-php.01.tar.bz2
PHP_SELF/index.php
REQUEST_TIME1548045601
argv
    argc0